| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] [been] to london | 5 |
|
| 2 | i [verb] been to london | 5 |
|
| 3 | i have [been] to london | 5 |
|
| 4 | i [verb] [been] to london | 5 |
|
